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1/4August 1995 New Issue 1995 Cooper Power Systems, Inc.Printed in U.S.A.

Power CapacitorsElectrical Apparatu

230-11Cooper Power Systems Type EX-D

Single-Phase Units and Accessories

Figure 1.EX-D single-phase, all-filmcapacitor.

1US Patent 4,633,369

Cooper Power Systems Type EX-Dall-film capacitors feature the latestCooper Power Systems design inno-vationsextended foil/solderlessconnections1 and laser-cut foil. Theyare designed, manufactured, andtested to meet the requirements ofall applicable ANSI/IEEE, NEMA,and IEC standards. In additionthey are designed to exceed therequirements of these standards interms of continuous rms and peakovervoltage withstand capabilities,and in tank rupture characteristics.These capacitors are especiallysuited to the rigors of industrialpower systems for:s power factor improvement

s harmonic filter applicationss reduction of lossess reducing voltage drop

EX-D capacitors can be installedsingly or in factory-assembledswitched or unswitched banks in:s pole mounted rackss open air substation banks

(for outdoor or indoor application)s metal enclosures.

The Type EX-D capacitorprovides these exclusive benefits:s 125% continuous rms overvolt

age capabilitys 135% peak overvoltage capability

s greater safety through improvedtank rupture characteristicss 15,000 Amp fault current handling

capabilitys 100 kA transient current

withstand capabilitys ambient operation through +55C

(+131F)s Iow dielectric losses

(0.07 watts/kVAR @ 60 Hz)s superior electrical performance

and reliabilitys environmentally acceptable

EdisoltXT dielectric fluid.

CAPACITOR APPLICATlONCapacitor application requires anevaluation of the power system todetermine:s the kVAR needss the most effective locations the necessary protection.

In general, capacitors are installed:s at the substation, to supply the

system var needs most effectivelys ator nearthe load center, to

obtain the optimum var supplyand voltage correction

s at the end of the line, to achievemaximum voltage correction.

RATINGSCooper Power Systems Type EX-Dcapacitors are rated in continuouskVAR, voltage and frequency foroperating within the -40 to +55Cambient temperature range.Designed to produce not less thanrated kVAR at rated voltage andfrequency, they are subjected to allapplicable NEMA and ANSI/IEEEstandard dielectric tests. Single-phase 50- through 400-kVARcapacitors are available.

Capacitor rated voltage is thevoltage that can be applied terminalto terminal; for example, a 2400-voltcapacitor can be delta-connected on

a 2400-volt system or wye-connect-ed on a 2400/ 4160-volt system. Ineach case, the voltage applied to thecapacitor terminals is 2400 volts.Because a capacitors kVAR outputvaries as the square of the ratio ofapplied voltage to rated voltage,application at the proper voltage isessential for optimum operatingperformance and long service life.

The maximum recommendedworking voltage of an EX-D capacito

is 125% of rated voltage. CooperPower Systems capacitors include asafety factor that permits them totoleratewithout damage momentary overvoltages caused byswitching or load changes.

The capacitor units cataloged inthis section are designed foroperation at a rated frequency of 60Hz. kVAR output varies directly asthe ratio of applied frequency torated frequency. Capacitors designeto operate at 50 Hz or other frequencies are also available upon requestTable 1 lists the

ratings and catalog numbers forstandard Type EX-D single- anddouble-bushing capacitors. Otherunit kVAR sizes, voltage ratings andBIL ratings are available.


2/4

Ratings 50-kVAR Capacitors 100-kVAR Capacitors 150 kVAR Capacitors

Voltage BIL Double- Single- Double- Single- Double- Single-

(volts) (kV) Bushing Bushing Bushing Bushing Bushing Bushing

2400 75 CEP320A1 CEP320B1 CEP331A1 CEP331B1 CEP332A1 CEP332B1








8320 95 CEP324M7 CEP323M3 CEP326M4 CEP325M3 CEP328M6 CEP327M15




125

150 12470 95 CEP320A10 CEP320B10 CEP331A0 CEP331B10 CEP332A10 CEP332B10

125 CEP324M9 CEP326M3 CEP328M11

150 CEP323B6 CEP330B6 CEP339B6


125 CEP324M10 CEP326M9 CEP328M9



125 CEP324M11 CEP326M20 CEP328M14



125 CEP324M12 CEP326M1 CEP328M5


15125 150 CEP323M6 CEP325M1 CEP327M23

19920 150 CEP334B4 CEP333B420800 150 CEP325M20

21600 150 CEP334B5 CEP333B5

22130 150 CEP327M24

22800 150 CEP325M21

23800 150

24940 150

2

Single-Phase Capacitors

TABLE 1Ratings and Catalog Numbers for Standard Single- and Double-Bushing Capacitors


3/4

230-11

TABLE 1 (continued)Ratings and Catalog Numbers for Standard Single- and Double-Bushing Capacitors

TABLE 2Bushing Characteristics and Weights

Ratings 200-Kvar Capacitors 300-Kvar Capacitors 400-Kvar Capacitors

Voltage BIL Double- Single- Double- Single- Double- Single

(volts) (kV) Bushing Bushing Bushing Bushing Bushing Bushing

2400 75 CEP340A1 CEP340B1

2770 75 CEP340A2 CEP340B2

4160 75 CEP340A3 CEP340B3

4800 75 CEP340A4 CEP340B4

6640 95 CEP340A5 CEP340B5








125 CEP330M32

150 CEP329M20


125 CEP330M9 CEP332M14 CEP334M4



125 CEP330M9 CEP332M10 CEP334M8



125 CEP330M2 CEP332M13 CEP334M9



125 CEP330M1 CEP332M5 CEP334M2


15125 150 CEP329M12 CEP331M24 CEP333M16

19920 150 CEP345B4 CEP365B4 CEP375B4

20800 150 CEP329M38 CEP331M9 CEP333M17

21600 150 CEP345B5 CEP365B5 CEP375B5

22130 150 CEP329M48 CEP331M25 CEP333M20

22800 150 CEP329M10 CEP333M11

23800 150 CEP329M46 CEP331M11 CEP333M18

24940 150 CEP329M47 CEP333M19

60-Hz Withstand Approximate NetCreepage Strike 60-Sec. 10-Sec. Weight/

BIL Distance Distance Drv Wet Bushing(kV) (in.) (in.) (kV) (kV) (lb)

75** 10.38 6.25 35 30 395* 10.38 6.25 35 30 3

150* 18.12 9.50 60 50 5150 22.00 9.50 60 50 6200 26.00 14.00 80 75 7

BushingsBushing characteristics are shown in Table 2.

* Bushings furnished on standard capacitors shown in Table 1 and Figure 2.** Same bushing is used on 75 and 95 kV BIL capacitor units.


4/44

Single-Phase Capacitors

P.O. Box 1640Waukesha, WI 53187

Figure 2.Dimensions and weights of 50-, 100-, 150, 200-, 300-, and 400-kvarcapacitors.

Cooper Power Systemsis a registered trademark of Cooper Power Systems, Inc.Edisolis a registered trademark of Cooper Power Systems, Inc.

CONSTRUCTION FEATURESConstruction features of CooperPower Systems power capacitorsinclude:s stainless-steel tank with light-gray

finish for resistance to corrosiveatmospheres

s Iight-gray, wet-process-porcelainbushings; glazed for high strengthand durability and hermeticallysealed to the capacitor tank

s stainless-steel mounting bracketswith industry-standard 15.62-in.mounting centers for unit inter-changeability; underside of eachbracket is unpainted for positivegrounding

s parallel-groove terminals thataccommodate copper or aluminumconductors from No. 8 solid to No.1 stranded

s internal discharge resistors thatreduce terminal voltage to 50 voltsor less within five minutes afterthe capacitor has beendisconnected

s stainless-steel nameplate contain-ing required NEMA andANSI/IEEE data

s blue non-PCB decal. Approx. NetRatings Dimensions BushingVoltage BIL Capacitor*

Kvar (volts) (kV) A B C D E (lb)

50 2400-4800 75 14.25 6.00 5.88 12.94 4.25 306640-14400 95 14.25 6.00 5.88 12.94 4.25 306640-14400 150 17.87 6.00 5.88 16.56 4.25 34

100 2400-4800 75 18.75 10.50 9.88 12.94 4.25 446640-14400 95 18.75 10.50 9.88 12.94 4.25 446640-24940 150 22.37 10.50 9.88 16.56 4.25 48

150 2400-4800 75 22.50 14.25 9.88 16.94 4.50 586640-14400 95 22.50 14.25 9.88 16.94 4.50 586640-24940 150 26.12 14.25 9.88 20.56 4.50 62

200 2400-4800 75 23.25 15.00 9.88 16.94 5.25 666640-14400 95 23.25 15.00 9.88 16.94 5.25 666640-24940 150 26.87 15.00 9.88 20.56 5.25 70

300 6640-14400 95 31.75 23.50 9.88 16.94 4.50 896640-24940 150 35.38 23.50 9.88 20.56 4.50 93

400 6640-14400 95 31.75 23.50 9.88 16.94 5.75 105

6640-24940 150 35.38 23.50 9.88 20.56 5.75 109

* For single-bushing capacitors, deduct appropriate weight in Table 2 from weight in this column. To estimateshipping weight for a single- or a double-bushing capacitor, add 4 lb to net weight.

NOTE: Dimensions and weights usually represent the worst case for unit size ranges represented.ContactCooper Power Systems for exact weights and dimensions on units of specific rating.

DIMENSIONS AND WEIGHTS

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